.outer {
    width: 1000px;
    height: 600px;
    border: 1px solid #880000;
    margin: 0 auto;
    margin-top: 5px;
    box-shadow: 1px 1px 1px 1px  #ccc;
    border-radius: 5px;
}

nav li{display: inline-block;}

.tableStyle {
    width: 1000px;
    margin: 0 auto;
    margin-top: 10px;
    text-align: center;
}

/* table {
    width: 950px;
    height: 200px;
    margin-top: 10px;
    text-align: center;
    margin-left: 20px;
} */
#checkAll{
    margin-top: 20px;
    margin-left: 20px;
}
button{
    margin-left: 10px;
}
tr {
    width: 920px;
    height: 50px;
    text-align: center;
    line-height: 30px;
}

td {
    border: 1px solid #880000;
}
td:nth-of-type(1) {
    width: 40px;
}

td:nth-of-type(2) {
    width: 100px;
}

td:nth-of-type(3) {
    width: 100px;
}

td:nth-of-type(4) {
    width: 100px;
}
td:nth-of-type(5) {
    width: 100px;
}
td:nth-of-type(6) {
    width: 50px;
}
td:nth-of-type(7) {
    width: 50px;
}

#footer {
    position: relative;
    top: 10px;
    width: 100%
}